Home / 12,230,278.60-18,345,417.90-8,199,200.20

Finding the Fourth Proportional to 12,230,278.60, 18,345,417.90 and 8,199,200.20

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Solution

The fourth proportional to 12,230,278.60, 18,345,417.90 and 8,199,200.20 is: 12,298,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230,278.60 : 18,345,417.90 = 8,199,200.20 : x
  2. Step 2: Convert to fraction form
    12,230,278.60/18,345,417.90 = 8,199,200.20/x
  3. Step 3: Cross multiply
    12,230,278.60x = 18,345,417.90 × 8,199,200.20
  4. Step 4: Simplify right side
    12,230,278.60x = 150,417,754,114,763.56
  5. Step 5: Solve for x
    x = 150,417,754,114,763.56/12,230,278.60
  6. Step 6: Final answer
    x = 12,298,800.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.